html,
body,
#app {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
  }

  /* 去除a链接下划线 #409EFF */
a {
    color: var(--el-color-primary);
    text-decoration: none;
    outline: 0;
  }
  a:hover {
    color: #0a16f1;
  }